Variables on Both Sides of an Equation

Description

LSAT Mathematics Quiz on Variables on Both Sides of an Equation , created by Tracy Rains on 13/09/2017.
Tracy Rains
Quiz by Tracy Rains, updated more than 1 year ago
Tracy Rains
Created by Tracy Rains about 7 years ago
17
0

Resource summary

Question 1

Question
Solve: 2w + 15 = 3w - 9
Answer
  • w = -24/5
  • w = 24
  • w = -24
  • w = -6

Question 2

Question
Solve:10 - 4b = 2(b + 1)
Answer
  • b = -3
  • b = -⅔
  • b = 9
  • b = 7

Question 3

Question
When solving 14k = 168 2 + 7k, the answer is k = 12.
Answer
  • True
  • False

Question 4

Question
Solve: 10d / 2 = 3d + 18
Answer
  • d = 9
  • d = -9
  • d = 9/4
  • d = 9/7

Question 5

Question
When solving -8y - 24 = - 3y + 11, the answer is y = 7.
Answer
  • True
  • False

Question 6

Question
22 - 8x = 6(3 + 2x)
Answer
  • x = ⅕
  • x = 9
  • x = 5/2
  • x = 4

Question 7

Question
Sally & Louis are racing on scooters. Sally can go at 15 meters per minute, and Louis is going 18 meters per minute. Sally starts a little bit ahead at 15m in front of the starting line and Louis starts right on the starting line. After how many minutes will Sally & Louis be side by side? Let x stand for how many minutes.
Answer
  • 18x = 15x
  • 18x = 15x + 15
  • 18x + 15 = 15x + 15
  • 18x -15 = 15x + 15

Question 8

Question
You decide to start using public transportation to get around. There are two different methods to pay. One method is to pay $2.00 per ride. The other method is to buy a monthly pass for $25 and then be charged just $0.50 per ride. After how many rides are these two options the same amount of money? Let x stand for the number of rides on the bus.
Answer
  • $2.00 * 25 = $0.50x
  • $2.00x = $0.50x - $25
  • $2.00x = 25x + .50x
  • $2.00x = $0.50x + 25

Question 9

Question
Which operation is an inverse operation to multiplication?
Answer
  • addition
  • subtraction
  • squaring
  • division
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